Sure! Here's an example of a simple zombie apocalypse game implemented in a single HTML file using JavaScript and enclosed in `` tags. Please note that this is a very simplified version just to give you an idea and doesn't include any pictograms or 3D graphics. You can try running it on a smartphone to play as a finished game.
<br><br>
<br>
<style>
canvas {
border: 1px solid black;
}
</style>
<canvas id="gameCanvas" width="500" height="500"></canvas>
Please note that this is just a basic implementation to give you an idea of how a simple zombie apocalypse game can be created. You can modify and enhance it according to your requirements and add more features such as different levels, weapons, power-ups, and improved graphics.